\documentclass{article}

\usepackage{array, longtable, lscape}
\begin{document}

\begin{landscape}\begin{longtable}{*{2}{|c}|}
\caption{Time Statistics} \\ \hline
key&v:duration \\ \hline

\endhead
calculate\_ratings&4121 \\ \hline

create\_default\_listen\_count\_avg\_over\_artist&10926 \\ \hline

create\_default\_listen\_count\_avg\_over\_user&6315 \\ \hline

full\_matrix\_creation&9101 \\ \hline

inverse\_ratings&7040 \\ \hline

zscore\_on\_avg\_artist&75167 \\ \hline

zscore\_on\_avg\_users&27664 \\ \hline

zscore\_on\_inversed\_rating&23847 \\ \hline

zscore\_on\_listen\_count&19297 \\ \hline

\end{longtable}
\newpage
\end{landscape}

\end{document}

